THIS ANNOUNCEMENT CONTAINS INSIDE INFORMATION FOR THE PURPOSES OF ARTICLE 7 OF THE MARKET ABUSE REGULATION (EU) 596/2014 AS IT FORMS PART OF UK DOMESTIC LAW BY VIRTUE OF THE EUROPEAN UNION (WITHDRAWAL) ACT 2018, AS AMENDED
LEI: 213800HAZOW1AWRSZR47
Riverstone Energy Limited
21 October 2025
Riverstone Energy Limited ("REL" or the "Company") is pleased to announce the proposed sale of 100% of its interest in Onyx Power ("Onyx Power") to ResInvest Group, a privately owned trading and investment company, supplying key commodities for global markets.
Onyx Power is a European-based independent power producer that owns and operates approximately 2,350 MW of gross installed capacity of coal-, gas-, and biomass-fired power plants in Germany and the Netherlands.
Net proceeds to the Company are expected to be approximately $49 million, payable in cash at completion.
The transaction is subject to customary closing conditions and completion is anticipated to take place in Q1 of 2026.
Shortly following completion, the Company expects to announce a further compulsory redemption of ordinary shares to return to shareholders substantially the whole of the net sale proceeds received. Further details will be announced by the Company in due course.
For further details, see https://www.onyx-power.com
About Riverstone Energy Limited:
REL is a closed-ended investment company which invests in the energy industry. REL's ordinary shares are listed on the London Stock Exchange, trading under the symbol RSE. REL currently has 4 active investments spanning decarbonisation, renewable energy and power in the Continental U.S. and Europe.
For further details, see www.RiverstoneREL.com
Neither the contents of Riverstone Energy Limited's website nor the contents of any website accessible from hyperlinks on the websites (or any other website) is incorporated into, or forms part of, this announcement.
Media Contacts
For Riverstone Energy Limited:
Daniel Yunger - Kekst CNC:
Deutsche Numis - Corporate Broker:
Hugh Jonathan / Matt Goss
+44(0) 20 7260 1000
Ocorian Administration (Guernsey) Limited - Company Secretary:
Birgitte Horn
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